United Automation A447444-HV, HVAC Control 250 A, 210 A

View all Thyristors

Subtotal (1 unit)*

$2,611.16

(exc. GST)

$2,872.28

(inc. GST)

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Units
Per unit
1 +$2,611.16

*price indicative

RS Stock No.:
628-596
Mfr. Part No.:
A447444-HV
Brand:
United Automation
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Brand

United Automation

Product Type

HVAC Control

Rated Average On-State Current Irms

210A

Surge Current Rating

250A

Maximum Operating Temperature

65°C

Height

250mm

Length

266mm

Standards/Approvals

I.E.E. wiring regulations (BS7671), I.E.C/ Directive IEC 950, CE

Series

PR3-E

Width

345 mm

Automotive Standard

No

COO (Country of Origin):
GB
The United Automation 3 Phase Burst Fire Power Controllers are robust and versatile thyristor stacks, providing precise control of three-phase resistive loads using a two-thirds control technique. These units feature fast pulse zero voltage switching technology, minimizing flicker and eliminating RFI issues. Designed for industrial HVAC systems, furnaces, ovens, and other heating applications, the PR3 series supports both manual and signal input control, with advanced safety features like automatic temperature trips and phase loss detection.

High power ratings

Versatile control options accepts dc signal control

Burst firing technology offers efficient load management and reduces power fluctuations

Thermal protection

Compact design

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